METHOD OF PRODUCTION OF CEMENT CLINKER Russian patent published in 2008 - IPC C04B7/43 

FIELD: building.

SUBSTANCE: invention concerns industry of building materials, mainly, method of production of a cement clinker with mineral additives. In method of production of cement clinker with the mineral additive, including raw mix roasting in the rotating furnace, feed of the mineral additive in a refrigerator to the received heated clinker, chilling, grinding, as the mineral additive use rubble of by-product overburden of coal mining or a carbonaceous technogenic waste of fraction of 5-50 mm, with the coal content in limits from 5 to 15 wt %, supply of the specified additive is performed in quantity from 5 to 50 wt % from the clinker in its stream falling from the furnace.

EFFECT: creation of effective method of production of cement clinker with mineral additives.

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